package chapter03.Example07;
class Student{
    private String name;
    private int age;
    public Student(){ }
    public Student(String n){
        name=n;
    }
    public Student(String  n,int a){
        name=n;
        age=a;
    }
    public  void read(){
        System.out.println("我是:"+name+",年龄:"+age);
    }
    }
public class Example07 {
    public static void main(String[] args) {
        Student stu1 = new Student("张三");
        Student stu2 = new Student("张三",18); //实列话Student 对象
        stu1.read();
        stu1.read();

    }
}
